CN211471330U - Blast furnace gas desulfurization and desorption gas oxidation treatment system - Google Patents
Blast furnace gas desulfurization and desorption gas oxidation treatment system Download PDFInfo
- Publication number
- CN211471330U CN211471330U CN201922198730.8U CN201922198730U CN211471330U CN 211471330 U CN211471330 U CN 211471330U CN 201922198730 U CN201922198730 U CN 201922198730U CN 211471330 U CN211471330 U CN 211471330U
- Authority
- CN
- China
- Prior art keywords
- gas
- blast furnace
- pipe
- adsorption tower
- regeneration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003795 desorption Methods 0.000 title claims abstract description 96
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 46
- 230000023556 desulfurization Effects 0.000 title claims abstract description 46
- 230000003647 oxidation Effects 0.000 title claims abstract description 26
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 26
- 238000001179 sorption measurement Methods 0.000 claims abstract description 112
- 230000008929 regeneration Effects 0.000 claims abstract description 73
- 238000011069 regeneration method Methods 0.000 claims abstract description 73
- 239000000428 dust Substances 0.000 claims abstract description 36
- 238000000746 purification Methods 0.000 claims abstract description 27
- 239000003034 coal gas Substances 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 384
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 29
- 239000003546 flue gas Substances 0.000 claims description 29
- 238000005245 sintering Methods 0.000 claims description 23
- 230000002209 hydrophobic effect Effects 0.000 claims description 14
- 239000013080 microcrystalline material Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 9
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008676 import Effects 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 41
- 229910052717 sulfur Inorganic materials 0.000 description 29
- 239000011593 sulfur Substances 0.000 description 29
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 28
- 238000000034 method Methods 0.000 description 20
- 125000001741 organic sulfur group Chemical group 0.000 description 17
- 239000005864 Sulphur Substances 0.000 description 14
- 239000012535 impurity Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 239000002808 molecular sieve Substances 0.000 description 11
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 11
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 9
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 9
- 238000012856 packing Methods 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- -1 sulphur compound Chemical class 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910017318 Mo—Ni Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- VPOWUERJTYNPNF-UHFFFAOYSA-N cobalt iron manganese molybdenum nickel Chemical compound [Fe][Ni][Mn][Mo][Co] VPOWUERJTYNPNF-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000005200 wet scrubbing Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a blast furnace gas desulfurization and desorption gas oxidation treatment system, including steam heat exchanger, electric heater, dust collector, desulphurization unit, boiler and a plurality of adsorption tower, be filled with purification medium in the adsorption tower, the air inlet of adsorption tower loops through blast furnace gas inlet branch pipe and blast furnace gas inlet main pipe and is connected with TRT, the gas outlet of adsorption tower loops through the clean coal gas outlet branch pipe and gives vent to anger to be responsible for with clean coal gas and is connected, electric heater's regeneration gas export loops through the regeneration desorption gas inlet main pipe and the gas outlet of regeneration desorption gas inlet branch pipe and adsorption tower is connected, electric heater's regeneration gas entry is connected with steam heat exchanger after again with clean coal gas give vent to anger and is responsible for the connection, the coal gas import of boiler is connected with the air inlet. The utility model solves the technical problem of poor gas purification effect in blast furnace gas.
Description
Technical Field
The utility model relates to a coal gas desulfurization technical field especially relates to a blast furnace gas desulfurization and desorption gas oxidation treatment system.
Background
Blast furnace gas is a main byproduct generated in an iron-making process flow and is colorless and tasteless combustible gas. The theoretical combustion temperature is 1400-1500 ℃, and the ignition point is about 700 ℃. The blast furnace gas is characterized by low heat value (3300-4200 kJ/Nm)3) And the gas production is large, and the gas is easy to explode when being mixed with air. The main components of blast furnace gas are: 25 to 30 percent of CO; h21.5％～3.0％；CH40.2％～0.5％；N255％～60％；CO29％～12％； O20.2％～0.4％。
In recent decades, with the dry bag dust removal of blast furnace gas and the top pressure turbine (TRT) of blast furnace gasIn common application, the pressure energy and the heat energy of blast furnace gas are fully recovered. The blast furnace gas after pressure energy and heat energy are recovered by the residual pressure turbine power generation device is sent to users such as hot blast stoves, heating furnaces, coke ovens, boilers, sintering, pellets and the like to be used as fuel. After the blast furnace gas is combusted, sulfur in the discharged gas is mainly in the form of SO2The content is 45-185 mg/m3The exhaust is carried out after the purification reaches the standard, and the limit value of the particulate matter exhaust after the blast furnace gas combustion is 10mg/m along with the strict requirement of environmental protection3SO in gas2Emission limit of 35mg/m3Emission limit of nitrogen oxides of 50mg/m3. The traditional desulfurization method is to perform desulfurization on coal gas, mainly adopts the processes of a calcium method, a magnesium method, a sodium method, an ammonia method, an organic alkali method and the like, but compared with blast furnace gas, the volume of the combusted coal gas is increased, the temperature is high, the pressure is low, so that a coal gas desulfurization device is huge, the water consumption is high, circulating water needs to be treated separately, and the defects of high desulfurization cost, secondary pollution and the like are caused. The method for treating the blast furnace gas source is mainly to adopt the traditional wet scrubbing desulfurization after the residual pressure turbine power generation device, wherein H is2S、SO2Etc. are easy to be removed, and COS and CS in blast furnace gas2The SO in the gas after the combustion of the blast furnace gas is not easy to remove2The content is still out of limits. At present, most of the purification of the gas in the blast furnace gas, especially the removal of sulfides, has the defects of complex system structure, complex operation and control, poor purification effect and the like, and no economical and feasible method and equipment exist in the purification process of the blast furnace gas.
Aiming at the problem of poor purification effect of coal gas in blast furnace gas in the related art, no effective solution is provided at present.
Therefore, the inventor provides a blast furnace gas desulfurization and stripping gas oxidation treatment system by virtue of experience and practice of related industries for many years, so as to overcome the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blast furnace gas desulfurization and desorption gas oxidation treatment system, it is effectual to blast furnace gas purifying, have structure and operation flow simple, with low costs, no secondary pollution's advantage.
The purpose of the utility model can be realized by adopting the following technical scheme:
the utility model provides a blast furnace gas desulfurization and desorption gas oxidation treatment system, blast furnace gas desulfurization and desorption gas oxidation treatment system includes steam heat exchanger, electric heater, dust collector, desulphurization unit, boiler and a plurality of adsorption tower, wherein:
purifying media are filled in each adsorption tower, the air inlet of each adsorption tower is respectively connected with one end of a corresponding blast furnace gas inlet branch pipe, the other end of each blast furnace gas inlet branch pipe is connected with a blast furnace gas inlet main pipe, the blast furnace gas inlet main pipe is connected with a gas outlet of a TRT, the gas outlet of each adsorption tower is respectively connected with one end of a corresponding clean gas outlet branch pipe, and the other end of each clean gas outlet branch pipe is connected with the clean gas outlet main pipe;
a regenerated gas outlet of the electric heater is connected with one end of a regenerated desorption gas inlet main pipe, the other end of the regenerated desorption gas inlet main pipe is connected with one end of a plurality of regenerated desorption gas inlet branch pipes, the other end of each regenerated desorption gas inlet branch pipe is connected with a corresponding gas outlet of the adsorption tower, a regenerated gas inlet of the electric heater is connected with a regenerated gas outlet of the steam heat exchanger, a regenerated gas inlet of the steam heat exchanger is connected with one end of a first purified gas return pipe, the other end of the first purified gas return pipe is connected with the purified gas outlet main pipe, the first purified gas return pipe is connected with one end of a second purified gas return pipe, and the other end of the second purified gas return pipe is connected with the regenerated desorption gas inlet main pipe;
the gas inlet of the boiler is connected with one end of a desorption gas outlet main pipe, the other end of the desorption gas outlet main pipe is connected with one end of a plurality of desorption gas outlet branch pipes, the other end of each desorption gas outlet branch pipe is connected with the corresponding gas inlet of the adsorption tower, a tail gas outlet of the boiler is connected with the gas inlet of the dust removal device, a gas outlet of the dust removal device is connected with the gas inlet of the desulfurization device, and a steam outlet of the boiler is connected with a steam inlet of the steam heat exchanger.
In a preferred embodiment of the present invention, the blast furnace gas inlet branch pipe is provided with a first valve, and the clean gas outlet branch pipe is provided with a third valve.
In a preferred embodiment of the present invention, the fifth valve is disposed on the main pipe for the regeneration desorption gas inlet, the fourth valve is disposed on the branch pipe for the regeneration desorption gas inlet, and the eighth valve and the seventh valve are sequentially disposed on the first return pipe for clean gas between the main pipes for the clean gas outlet and the second return pipe for clean gas, respectively.
The utility model discloses an in a preferred embodiment, be provided with the regeneration gas fan on the first clean gas muffler, the regeneration gas fan is located the eighth valve with between the seventh valve, the second clean gas muffler is connected the eighth valve with on the first clean gas muffler between the regeneration gas fan.
In a preferred embodiment of the present invention, the desorption gas is provided with a ninth valve on the main gas outlet pipe, and the desorption gas is provided with a second valve on the branch gas outlet pipe.
In a preferred embodiment of the present invention, the air inlet of the adsorption tower is located in the lower part of the adsorption tower, the air outlet of the adsorption tower is located in the top of the adsorption tower, and the purification medium is filled in the air inlet of the adsorption tower and between the air outlets of the adsorption tower.
In a preferred embodiment of the present invention, the blast furnace gas inlet main pipe is provided with a spray cooling device for reducing the temperature of the gas in the pipe.
The utility model discloses a in a preferred embodiment, the boiler with be provided with the sintering machine between the dust collector be provided with some firearms on the sintering machine, the sintering machine pass through flue gas pipeline with the tail gas outlet of boiler with dust collector's air inlet is connected the sintering machine be provided with the tenth valve between the boiler.
In a preferred embodiment of the present invention, the purification medium is a hydrophobic microcrystalline material.
In a preferred embodiment of the present invention, at least one of the adsorption towers is a spare adsorption tower.
From the above, the utility model discloses a blast furnace gas desulfurization and desorption gas oxidation processing system's characteristics and advantage are: the purification medium is filled in the adsorption tower, and the impurities such as hydrogen sulfide, organic sulfur and the like in the blast furnace gas are adsorbed and removed through the purification medium, so that the influence of water contained in the blast furnace gas on sulfur removal is reduced, and the adsorption efficiency of sulfur-containing impurities is improved. The regeneration gas outlet of the electric heater is connected with the gas outlet of the adsorption tower, the regeneration gas inlet of the electric heater is connected with the regeneration gas outlet of the steam heat exchanger, the regeneration gas inlet of the steam heat exchanger is connected with the purified gas outlet main pipe, the gas inlet of the adsorption tower is connected with the gas inlet of the boiler, the tail gas outlet of the boiler is sequentially connected with the dust removal device and the desulfurization device, the purified blast furnace gas in the purified gas outlet main pipe is used as the regeneration gas to enter the adsorption tower, the purification medium can be desorbed and regenerated under the heating action of the regeneration gas and can be used for in-situ catalytic conversion of organic sulfur into inorganic sulfur, and the regeneration gas and the inorganic sulfur (most of the H is H)2S) desorption gas mix and form desorption gas and discharge to burn in the boiler, convert all inorganic sulfur that contain in the coal gas into sulfur dioxide and mix in the flue gas, the flue gas that will only contain sulfur dioxide loops through dust collector and desulphurization unit again, get rid of dust and sulfur dioxide in the flue gas, thereby can discharge the flue gas after purifying to the outside, whole process can carry out abundant recovery and getting rid of to the sulphur resource that contains in the blast furnace gas, reach the purpose to the high-efficient sulphur removal of blast furnace gas, the utility model discloses simple structure, except that sulphur convenient operation, the energy saving can avoid secondary pollution. In addition, a steam outlet of the boiler is connected with a steam inlet of the steam heat exchanger, and a part of steam generated by the boiler can be used as a heat source of the steam heat exchanger, so that resources are saved, the utilization rate of boiler products is improved, and normal and efficient work of the steam heat exchanger is ensured.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: is a structural schematic diagram of the blast furnace gas desulfurization and desorption gas oxidation treatment system of the utility model.
The utility model provides a reference numeral:
1. an adsorption tower; 2. A blast furnace gas inlet main pipe;
201. a blast furnace gas inlet branch pipe; 3. A steam heat exchanger;
4. an electric heater; 5. A regeneration gas fan;
6. a spray cooling device; 7. A clean gas outlet main pipe;
701. a clean gas outlet branch pipe; 8. A main regenerative desorption gas inlet pipe;
801. a regeneration desorption gas inlet branch pipe; 9. Desorbing desorption gas outlet main pipe;
901. a desorption gas outlet branch pipe; 10. Sintering machine;
11. TRT; 12. a gas purifying user;
13. a dust removal device; 14. A desulfurization unit;
15. a factory building chimney; 16. A second clean gas return pipe;
17. a first clean gas return pipe; 18. A boiler;
19. an igniter; 20. A steam delivery pipe;
21. a tail gas conveying pipe; v1, first valve;
v2, second valve; v3, third valve;
v4, fourth valve; v5, fifth valve;
v6, sixth valve; v7, seventh valve;
v8, eighth valve; v9, ninth valve;
v10, tenth valve.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a blast furnace gas desulfurization and desorption gas oxidation treatment system, this blast furnace gas desulfurization and desorption gas oxidation treatment system include steam heat exchanger 3, electric heater 4, dust collector 13, desulphurization unit 14, boiler 18 and a plurality of adsorption tower 1, wherein: each adsorption tower 1 is internally provided with a packing layer filled with a purification medium, the air inlet of each adsorption tower 1 is respectively connected with one end of a corresponding blast furnace gas inlet branch pipe 201, the other end of each blast furnace gas inlet branch pipe 201 is connected with a blast furnace gas inlet main pipe 2, the blast furnace gas inlet main pipe 2 is connected with the gas outlet of a TRT (blast furnace gas residual pressure turbine power generation device) 11, the air outlet of each adsorption tower 1 is respectively connected with one end of a corresponding clean gas outlet branch pipe 701, the other end of each clean gas outlet branch pipe 701 is connected with a clean gas outlet main pipe 7, and the other end of the clean gas outlet main pipe 7 is connected with a clean gas user 12 in a subsequent section. The regeneration gas outlet of the electric heater 4 is connected with one end of a regeneration desorption gas inlet main pipe 8, the other end of the regeneration desorption gas inlet main pipe 8 is connected with one end of a plurality of regeneration desorption gas inlet branch pipes 801, the other end of each regeneration desorption gas inlet branch pipe 801 is connected with the corresponding gas outlet of the adsorption tower 1, the regeneration gas inlet of the electric heater 4 is connected with the regeneration gas outlet of the steam heat exchanger 3, the regeneration gas inlet of the steam heat exchanger 3 is connected with one end of a first clean gas return pipe 17, the other end of the first clean gas return pipe 17 is connected with a clean gas outlet main pipe 7, the first clean gas return pipe 17 is connected with one end of a second clean gas return pipe 16, and the other end of the second clean gas return pipe 16 is connected with the regeneration desorption gas inlet main pipe 8. The coal gas inlet of boiler 18 is connected with the one end of desorption gas main pipe 9 of giving vent to anger, the other end of desorption gas main pipe 9 of giving vent to anger is connected with the one end of many desorption gas branch pipe 901, the other end of each desorption gas branch pipe 901 of giving vent to anger is connected with the air inlet of the adsorption tower 1 that corresponds, the tail gas outlet of boiler 18 is connected with the flue gas pipeline of sintering machine 10, the flue gas pipeline of sintering machine 10 still is connected with dust collector 13's air inlet, dust collector 13's gas outlet and desulphurization unit 14's air inlet are connected, desulphurization unit 14's gas outlet and factory building chimney 15 are connected, the steam outlet of boiler 18 passes through steam delivery pipe 20 and is connected with steam heat exchanger 3's steam inlet, steam delivery pipe 20 can directly communicate with the outside.
The utility model discloses be filled with the purification medium in adsorption tower 1, adsorb impurity such as hydrogen sulfide and organic sulfur in the desorption blast furnace gas through the purification medium, reduce the influence of moisture in the blast furnace gas to the sulphur removal, improve the adsorption efficiency to containing sulphur impurity. The regenerated gas outlet of the electric heater 4 is connected with the gas outlet of the adsorption tower 1, the regenerated gas inlet of the electric heater 4 is connected with the regenerated gas outlet of the steam heat exchanger 3, the regenerated gas inlet of the steam heat exchanger 3 is connected with the purified gas outlet main pipe 7, the gas inlet of the adsorption tower 1 is connected with the gas inlet of the boiler 18, the tail gas outlet of the boiler 18 is sequentially connected with the sintering machine 10, the dust removal device 13 and the desulfurization device 14, the purified blast furnace gas in the purified gas outlet main pipe 7 is used as the regenerated gas to enter the adsorption tower 1, the purification medium can be desorbed and regenerated under the heating action of the regenerated gas and can be used for in-situ catalytic conversion of organic sulfur into inorganic sulfur, and the regenerated gas and the inorganic sulfur (most of the regenerated gas is2S) desorption gas mix and form desorption gas and discharge to burning in boiler 18, convert into sulfur dioxide and mix in the flue gas with the whole sulphur compound that contains in the coal gas, the flue gas that will only contain sulfur dioxide loops through dust collector 13 and desulphurization unit 14 again, get rid of dust and sulfur dioxide in the flue gas, thereby can discharge the flue gas after purifying to the outside, whole process can carry out abundant recovery and getting rid of to the sulphur resource that contains in the blast furnace gas, reach the purpose of the high-efficient sulphur removal of blast furnace gas, the utility model discloses simple structure, except sulphur convenient operation, the energy saving can avoid secondary pollution. In addition, a steam outlet of the boiler 18 is connected with a steam inlet of the steam heat exchanger 3, and a part of steam generated by the boiler 18 can be used as a heat source of the steam heat exchanger 3, so that resources are saved, the utilization rate of boiler products is improved, and the steam is ensuredThe heat exchanger 3 works normally and efficiently.
The utility model discloses in cooperate through steam heat exchanger 3 and electric heater 4 and heat the intensification processing to the regeneration gas, need not extra regulation and control and detect and can guarantee to heat the regeneration gas to predetermineeing the temperature, control the convenience, can guarantee that hydrophobic type micrite material absorbent organic sulfur can fully turn into inorganic sulphur to the desorption is to in the desorption gas. In the process of heating the regeneration gas, electric heater 4 is adjustable to the constant temperature heating mode, at first carry out primary heating to the regeneration gas through steam heat exchanger 3, the regeneration gas after the primary heating enters into electric heater 4 and carries out secondary heating, electric heater 4 adjusts to the constant temperature heating 160 ~ 350 ℃ scope, guarantee that the purification medium in the adsorption tower 1 can the desorption regeneration, if the steam volume that lets in steam heat exchanger 3 is less, the temperature of the regeneration gas behind steam heat exchanger 3 does not reach preset temperature, then accessible electric heater 4 carries out secondary heating, guarantee that the temperature of regeneration gas can reach 160 ~ 350 ℃, thereby ensure that the desorption regeneration of purification medium goes on smoothly.
Specifically, as shown in fig. 1, a first valve V1 is provided on the blast furnace gas inlet branch pipe 201, and a third valve V3 is provided on the clean gas outlet branch pipe 701. The main regeneration desorption gas inlet pipe 8 is provided with a fifth valve V5, the branch regeneration desorption gas inlet pipe 801 is provided with a fourth valve V4, the first clean gas return pipe 17 between the regenerated gas inlet of the steam heat exchanger and the main clean gas outlet pipe 7 is sequentially provided with an eighth valve V8 and a seventh valve V7, and the second clean gas return pipe 16 is provided with a sixth valve V6. The first clean gas return pipe 17 is provided with a regenerated gas fan 5, the regenerated gas fan 5 is positioned between the eighth valve V8 and the seventh valve V7, and the second clean gas return pipe 16 is connected to the first clean gas return pipe 17 between the eighth valve V8 and the regenerated gas fan 5. The main desorption gas outlet pipe 9 is provided with a ninth valve V9, and the branch desorption gas outlet pipe 901 is provided with a second valve V2. The on-off of the corresponding pipeline is controlled by controlling the opening and closing states of the valves, so that the desulfurization and the dust removal of the blast furnace gas are completed.
Furthermore, a temperature detection device is arranged in the packing layer, the temperature of the purification medium can be detected in real time through the temperature detection device, and the temperature of the packing layer can be adjusted according to the requirement.
The temperature detecting device may be, but is not limited to, a temperature sensor.
Further, the inner diameter of the adsorption column 1 is 3m to 8 m.
In the utility model, the purifying medium is a hydrophobic microcrystal material.
Further, the hydrophobic microcrystalline material can be made of a material containing at least one element of magnesium, calcium, strontium, yttrium, lanthanum, cerium, europium, iron, cobalt, nickel, copper, silver, zinc and the like, and specifically, the hydrophobic microcrystalline material is selected from at least one of X-type molecular sieve, Y-type molecular sieve, A-type molecular sieve, ZSM-type molecular sieve, mordenite, β -type molecular sieve, MCM-type molecular sieve and SAPO-type molecular sieve, wherein the catalyst for converting organic sulfur into inorganic sulfur comprises an iron-cobalt-manganese-molybdenum-nickel catalyst, CO-K-Al catalyst and a mixed catalyst2O3、ZrO2/TiO2At least one of catalysts; and in practical implementation, the amount of the catalyst can be reasonably set by a person skilled in the art according to the field operation requirement.
Furthermore, the hydrophobic microcrystalline material is made of a zinc-modified ZSM-5 molecular sieve material or a copper-modified ZSM-5 molecular sieve material, and the silicon-aluminum ratio of the molecular sieve material is 150; the hydrophobic microcrystalline material contains ZSM molecular sieve adsorbent, etc., and contains Co-Mo-Ni catalyst.
Specifically, as shown in fig. 1, an air inlet of the adsorption tower 1 is located at the lower part of the adsorption tower 1, an air outlet of the adsorption tower 1 is located at the top of the adsorption tower 1, a purification medium is filled between the air inlet of the adsorption tower 1 and the air outlet of the adsorption tower 1, blast furnace gas enters the adsorption tower 1 from the air inlet at the lower part of the adsorption tower 1 and passes through the purification medium from bottom to top, and after impurities such as hydrogen sulfide and organic sulfur in the blast furnace gas are sufficiently adsorbed by the purification medium, the obtained purified blast furnace gas is discharged through the air outlet at the top of the adsorption tower 1.
Further, as shown in fig. 1, a spray cooling device 6 for reducing the temperature of the gas in the blast furnace gas inlet main pipe 2 is provided, and the blast furnace gas is cooled by the spray cooling device 6 before entering the adsorption tower 1, so that the adsorption tower 1 is kept at a temperature at which the adsorption capacity of the purification medium is strong, and the optimal adsorption effect on impurities such as hydrogen sulfide and organic sulfur is achieved.
Further, the spray cooling device 6 may be, but is not limited to, a plurality of atomization nozzles disposed on the blast furnace gas inlet main 2.
In an optional embodiment of the present invention, as shown in fig. 1, a sintering machine 10 is further disposed between the tail gas outlet of the boiler 18 and the air inlet of the dust removing device 13, a flue gas pipeline is disposed on the sintering machine 10, an igniter 19 is further disposed on the sintering machine 10, the flue gas pipeline of the sintering machine 10 is connected to the tail gas outlet of the boiler 18 through a tail gas conveying pipe 21, the flue gas pipeline of the sintering machine 10 is further connected to the air inlet of the dust removing device 13, and a tenth valve V10 is disposed on the tail gas conveying pipe 21 between the sintering machine 10 and the boiler 18. The flue gas containing sulfur dioxide discharged after being combusted by the boiler 18 is purified by the dust removal device 13 and the desulfurization device 14 after passing through the sintering machine 10 in sequence, and then can reach the standard of external emission.
Further, the dust removing device 13 may be, but is not limited to, a bag-type dust remover.
Further, the desulfurization unit 14 may be, but is not limited to, a spray tower.
Further, at least one of the adsorption columns 1 is a spare adsorption column.
The utility model discloses a basic operating principle does: the sulfur content of the TRT11 externally discharged blast furnace gas is 40-160 mg/m3Of inorganic sulfur (most of which are H)2S) content of 10-50 mg/m3The organic sulfur content is 80-150 mg/m3The temperature of the blast furnace gas is reduced to 20-60 ℃ through a spray cooling device 6, then the gas enters an adsorption tower 1, the adsorption tower 1 is filled with hydrophobic microcrystalline materials, and H in the blast furnace gas2S, etc. inorganic sulfur, COS and CS2The organic sulfur and other impurities are absorbed by the hydrophobic microcrystalline material in the absorption tower 1, and the sulfur content in the absorbed blast furnace gas is less than 20mg/m3And is transmitted through the clean gas outlet main pipe 7 and the clean gas outlet branch pipe 701 in sequenceAnd conveying to a subsequent working section for treatment. Wherein, the quantity of adsorption tower 1 is more than or equal to 2, and at least 1 is reserve adsorption tower, and the hydrophobic type microcrystalline material that loads in adsorption tower 1 possesses stronger adsorption efficiency when the temperature is 20 ~ 80 ℃, and it can desorption regeneration at 160 ~ 350 ℃, and organic sulfur that is adsorbed is by normal position catalytic conversion inorganic sulfur during regeneration. And after the adsorption of all the adsorption towers 1 reaches the preset saturation threshold, starting the standby adsorption tower, and performing regeneration operation on the adsorption tower 1 with the adsorption reaching the saturation threshold. Wherein the regeneration operation is: the regeneration gas fan 5 extracts a small amount of clean blast furnace gas from the clean gas outlet main pipe 7, the clean blast furnace gas passes through the first clean gas return pipe 17 and then is subjected to double heating of the steam heat exchanger 3 and the electric heater 4 in sequence, the regeneration gas is heated to 160-350 ℃, and then the regeneration gas passes through the regeneration desorption gas inlet main pipe 8 and each regeneration desorption gas inlet branch pipe 801 in sequence and enters each adsorption tower 1. The regeneration process of the adsorption tower 1 is divided into three processes of temperature rise, heat preservation and cold blowing, the regeneration time of each adsorption tower 1 is about 60 hours, in the regeneration process, inorganic sulfur, impurities and the like adsorbed by the hydrophobic microcrystalline material are desorbed into desorption gas, and organic sulfur in the inorganic sulfur is converted into H2S and other inorganic sulfur are desorbed into desorption gas, the desorption gas mixed with the inorganic sulfur and impurities in the adsorption tower 1 is called desorption gas, and the desorption gas mainly contains H2S and impurities, the general regeneration process needs 1-5 days, preferably 3 days, desorption gas in the adsorption tower 1 sequentially passes through the desorption gas outlet branch pipe 901 and the desorption gas outlet main pipe 9 to enter the boiler 18 for combustion, sulfur-containing compounds in the desorption gas are converted into sulfur dioxide, sulfur dioxide-containing flue gas discharged from the boiler 18 is introduced into a flue gas pipeline of the sintering machine 10, the flue gas sequentially passes through the dust removal device 13 and the desulfurization device 14 for dust removal and desulfurization treatment, and the purified flue gas reaches the standard of external emission and is discharged from a factory building chimney 15. A part of the steam generated by the boiler 18 is supplied to the steam heat exchanger 3 as a heat source, and the other part is directly sold to the outside.
The utility model discloses carry the desorption gas in the adsorption tower 1 to carry out the concrete operation flow who discharges outward in the factory building chimney 15 and do:
350000Nm as shown in FIG. 13After the blast furnace gas per hour is subjected to TRT power generation, the total sulfur content in the blast furnace gas is less than 200mg/m3In which H is2S content of 30%, COS and CS2The content of the dust is 70 percent, the pressure of the blast furnace gas is 12-16 kPa, and the dust content is less than 10mg/m3The gas temperature was about 90 ℃. At this time, the adsorption tower 1 located at the rearmost end serves as a spare adsorption tower, the first valve V1 and the third valve V3 of each of the other adsorption towers 1 are opened, the other valves are in a closed state, the blast furnace gas passes through the blast furnace gas inlet main pipe 2, each of the blast furnace gas inlet branch pipes 201, and the gas inlet of each of the adsorption towers 1 in order, and the blast furnace gas is cooled by the spray cooling device 6 before entering the adsorption towers 1, so that the temperature is reduced to about 60 ℃. When blast furnace gas passes through the packing layer in the adsorption tower 1, H2S, etc. inorganic sulfur and organic sulfur (COS and CS)2Etc.) and impurities are absorbed by the hydrophobic microcrystalline material, and the total sulfur content of the purified blast furnace gas is less than 20mg/m3The obtained purified blast furnace gas is discharged from the gas outlet of the adsorption tower 1 to the purified gas outlet branch pipes 701, and each purified gas outlet branch pipe 701 is collected to the purified gas outlet main pipe 7 and then conveyed to a subsequent purified blast furnace gas working section for subsequent treatment. After 3 days of operation, the first valve V1 and the third valve V3 of the spare adsorption tower are opened, the first valve V1 and the third valve V3 of the adsorption tower 1 positioned at the frontmost end are closed, the adsorption tower 1 positioned at the frontmost end is regenerated, meanwhile, the regenerated gas fan 5 is started, the seventh valve V7, the eighth valve V8, the fifth valve V5 and the fourth valve V4 corresponding to the adsorption tower 1 positioned at the frontmost end are opened, clean blast furnace gas in the blast furnace gas inlet main pipe 2 enters the regenerated gas fan 5, the gas amount is 3000Nm3And h, pressurizing the regenerated gas by a regenerated gas fan 5 by 10kPa, and heating the pressurized regenerated gas (namely the clean blast furnace gas) by a steam heat exchanger 3 and an electric heater 4 in sequence. The heated regeneration gas enters the adsorption tower 1 at the most front end through the regeneration desorption gas inlet main pipe 8, the regeneration desorption gas inlet branch pipe 801 and the gas outlet of the adsorption tower 1 at the most front end in sequence, when the regeneration desorption gas in the adsorption tower 1 passes through the packing layer, the packing layer is heated, the packing layer is provided with a temperature detection device, the change of the temperature of the packing layer can be detected in real time, and when the temperature of the packing layer reaches 200 DEG CThen, heat preservation is carried out, the temperature is maintained at 180-210 ℃, and at the moment, H adsorbed by the hydrophobic microcrystalline material2S and other inorganic sulfur and organic sulfur are desorbed, the organic sulfur is converted into inorganic sulfur in situ during desorption, the inorganic sulfur is desorbed and then enters regenerated desorption gas to be called desorption gas, and the content of hydrogen sulfide in the desorption gas is 20g/m3And also contains a small amount of organic sulfur. Desorption gas in the adsorption tower 1 at the foremost end sequentially passes through the gas inlet of the adsorption tower 1, the desorption gas outlet branch pipe 901 and the desorption gas outlet main pipe 9 to enter the boiler 18 for combustion, sulfur-containing compounds in the desorption gas are converted into sulfur dioxide, sulfur dioxide-containing flue gas discharged from the boiler 18 is introduced into a flue gas pipeline of the sintering machine 10, the flue gas sequentially passes through the dust removal device 13 and the desulfurization device 14 for dust removal and desulfurization, and the flue gas is discharged from a factory building chimney 15 after purification. After the thermal desorption of the adsorption tower 1 located at the forefront was continued for 1 day, the adsorption tower 1 was cooled. And closing the eighth valve V8 and the fifth valve V5, and simultaneously opening the sixth valve V6, so that the purified blast furnace gas enters the adsorption tower 1 at the foremost end through the main regeneration desorption gas inlet pipe 8 and the branch regeneration desorption gas inlet pipe 801 to be cooled, and the next adsorption tower 1 can be regenerated after the cooling process is finished. When it is necessary to start the regeneration of the next adsorption tower 1, the sixth valve V6, the fourth valve V4 and the second valve V2 corresponding to the adsorption tower 1 located at the forefront are closed, the first valve V1 and the third valve V3 corresponding to the adsorption tower 1 located at the forefront are opened at the same time, the first valve V1 and the third valve V3 corresponding to the next adsorption tower 1 are closed, and the process of performing the desorption regeneration on the next adsorption tower 1 is the same as the above process.
The utility model discloses blast furnace gas desulfurization and desorption gas sintering processing system's characteristics and advantage are:
firstly, the adsorption tower 1 in the blast furnace gas desulfurization and stripping gas oxidation treatment system adsorbs and removes impurities such as hydrogen sulfide and organic sulfur in the blast furnace gas, reduces the influence of water in the blast furnace gas on sulfur removal, and improves the adsorption efficiency of sulfur-containing impurities.
Secondly, the blast furnace gas desulfurization and desorption gas oxidation treatment system contains high-concentration H2Desorption of SGas is carried and is burnt in boiler 18, can be with desorption sulphur compound in the gas all conversion sulfur dioxide, the flue gas that will mix with sulfur dioxide loops through dust collector 13 and desulphurization unit 14 again, can accomplish the dust removal to the flue gas, desulfurization treatment, guarantee getting rid of inorganic sulphur and organic sulphur in arranging the flue gas outward, equipment structure is simple, control portably, gained blast furnace flue gas can reach the standard and use, sulphur resource can be fully retrieved, the energy saving, no secondary pollution, and the flue gas of external emission can reach the standard of external emission moreover.
Thirdly, in the blast furnace gas desulfurization and desorption gas oxidation treatment system, the clean blast furnace gas in the clean gas outlet main pipe 7 is adopted to be heated by the steam heat exchanger 3 and the electric heater 4 in sequence and then is introduced into the adsorption tower 1 as the regeneration gas, the required regeneration gas amount is small, the sulfur concentration in the desorption gas is high, the energy consumption is low, the working cost is reduced, the system is suitable for popularization and use, and the steam generated by the boiler 18 can be used as a heat source to be supplied to the steam heat exchanger 3, so that the heat source of the steam heat exchanger 3 is ensured to be sufficient, and the desorption and regeneration of the purification medium are ensured to be.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A blast furnace gas desulfurization and stripping gas oxidation treatment system, characterized in that, the blast furnace gas desulfurization and stripping gas oxidation treatment system includes steam heat exchanger (3), electric heater (4), dust collector (13), desulphurization unit (14), boiler (18) and a plurality of adsorption towers (1), wherein:
purifying media are filled in each adsorption tower (1), the air inlet of each adsorption tower (1) is respectively connected with one end of a corresponding blast furnace gas inlet branch pipe (201), the other end of each blast furnace gas inlet branch pipe (201) is connected with a blast furnace gas inlet main pipe (2), the blast furnace gas inlet main pipe (2) is connected with a gas outlet of a TRT (11), the air outlet of each adsorption tower (1) is respectively connected with one end of a corresponding clean gas outlet branch pipe (701), and the other end of each clean gas outlet branch pipe (701) is connected with a clean gas outlet main pipe (7);
a regenerated gas outlet of the electric heater (4) is connected with one end of a regenerated desorption gas inlet main pipe (8), the other end of the main regeneration desorption gas inlet pipe (8) is connected with one end of a plurality of branch regeneration desorption gas inlet pipes (801), the other end of each branch regeneration desorption gas inlet pipe (801) is connected with the corresponding gas outlet of the adsorption tower (1), a regeneration gas inlet of the electric heater (4) is connected with a regeneration gas outlet of the steam heat exchanger (3), a regenerated gas inlet of the steam heat exchanger (3) is connected with one end of a first clean gas return pipe (17), the other end of the first clean gas return pipe (17) is connected with the clean gas outlet main pipe (7), the first clean gas return pipe (17) is connected with one end of the second clean gas return pipe (16), the other end of the second clean gas return pipe (16) is connected with the main regenerative desorption gas inlet pipe (8);
the coal gas inlet of the boiler (18) is connected with one end of a desorption gas outlet main pipe (9), the other end of the desorption gas outlet main pipe (9) is connected with one end of a plurality of desorption gas outlet branch pipes (901), the other end of each desorption gas outlet branch pipe (901) is connected with the corresponding gas inlet of the adsorption tower (1), the tail gas outlet of the boiler (18) is connected with the gas inlet of the dust removal device (13), the gas outlet of the dust removal device (13) is connected with the gas inlet of the desulfurization device (14), and the steam outlet of the boiler (18) is connected with the steam inlet of the steam heat exchanger (3).
2. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, wherein a first valve (V1) is provided on the blast furnace gas inlet branch pipe (201), and a third valve (V3) is provided on the clean gas outlet branch pipe (701).
3. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, wherein a fifth valve (V5) is disposed on the main regeneration stripping gas inlet pipe (8), a fourth valve (V4) is disposed on the branch regeneration stripping gas inlet pipe (801), an eighth valve (V8) and a seventh valve (V7) are sequentially disposed on the first clean gas return pipe (17) from the regeneration gas inlet of the steam heat exchanger to the main clean gas outlet pipe (7), and a sixth valve (V6) is disposed on the second clean gas return pipe (16).
4. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 3, characterized in that a regeneration gas fan (5) is provided on the first clean gas return pipe (17), the regeneration gas fan (5) is located between the eighth valve (V8) and the seventh valve (V7), and the second clean gas return pipe (16) is connected to the first clean gas return pipe (17) between the eighth valve (V8) and the regeneration gas fan (5).
5. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, wherein a ninth valve (V9) is provided on the main stripping gas outlet pipe (9), and a second valve (V2) is provided on the branch stripping gas outlet pipe (901).
6. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, wherein the gas inlet of the adsorption tower (1) is located at the lower part of the adsorption tower (1), the gas outlet of the adsorption tower (1) is located at the top of the adsorption tower (1), and the purification medium is filled between the gas inlet of the adsorption tower (1) and the gas outlet of the adsorption tower (1).
7. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, characterized in that the blast furnace gas inlet main pipe (2) is provided with a spray cooling device (6) for reducing the temperature of the gas in the pipe.
8. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, characterized in that a sintering machine (10) is provided between the boiler (18) and the dust removal device (13), an igniter (19) is provided on the sintering machine (10), the sintering machine (10) is connected to a tail gas outlet of the boiler (18) and an air inlet of the dust removal device (13) through a flue gas pipe, and a tenth valve (V10) is provided between the sintering machine (10) and the boiler (18).
9. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, wherein the purification medium is a hydrophobic microcrystalline material.
10. The blast furnace gas desulfurization and stripping gas oxidation treatment system according to claim 1, characterized in that at least one of the adsorption towers (1) is a spare adsorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198730.8U CN211471330U (en) | 2019-12-10 | 2019-12-10 | Blast furnace gas desulfurization and desorption gas oxidation treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922198730.8U CN211471330U (en) | 2019-12-10 | 2019-12-10 | Blast furnace gas desulfurization and desorption gas oxidation treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211471330U true CN211471330U (en) | 2020-09-11 |
Family
ID=72375454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922198730.8U Active CN211471330U (en) | 2019-12-10 | 2019-12-10 | Blast furnace gas desulfurization and desorption gas oxidation treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211471330U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583721A (en) * | 2021-07-21 | 2021-11-02 | 福州大学 | Oxygen-free high-water-content high-furnace gas desulfurization system and process |
| CN113877357A (en) * | 2021-10-27 | 2022-01-04 | 中冶南方工程技术有限公司 | Blast furnace gas adsorption desulfurization regeneration system and method |
| CN114561232A (en) * | 2022-03-10 | 2022-05-31 | 马鞍山钢铁股份有限公司 | Blast furnace gas fine desulfurization system and method |
-
2019
- 2019-12-10 CN CN201922198730.8U patent/CN211471330U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583721A (en) * | 2021-07-21 | 2021-11-02 | 福州大学 | Oxygen-free high-water-content high-furnace gas desulfurization system and process |
| CN113583721B (en) * | 2021-07-21 | 2022-10-18 | 中琉科技有限公司 | Oxygen-free high-water-content high-furnace gas desulfurization system and process |
| CN113877357A (en) * | 2021-10-27 | 2022-01-04 | 中冶南方工程技术有限公司 | Blast furnace gas adsorption desulfurization regeneration system and method |
| CN113877357B (en) * | 2021-10-27 | 2023-10-27 | 中冶南方工程技术有限公司 | Blast furnace gas adsorption desulfurization regeneration system and method |
| CN114561232A (en) * | 2022-03-10 | 2022-05-31 | 马鞍山钢铁股份有限公司 | Blast furnace gas fine desulfurization system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104689679B (en) | Desulfurization and denitrification process for coke oven flue gas | |
| CN211471330U (en) | Blast furnace gas desulfurization and desorption gas oxidation treatment system | |
| CN103007679B (en) | Flue gas cleaning system capable of switching pollutant desorption technology and adsorbent regeneration technology and method thereof | |
| CN106949446B (en) | It is matched in the high temperature and pressure denitration waste heat boiler of catalytic cracking unit | |
| CN106179287A (en) | Adsorbent reactivation and regeneration off gases processing method during coke-stove gas temp.-changing adsorption desulfurization | |
| CN102294171B (en) | Flue gas purifying system | |
| CN102350214A (en) | Coal-fired power plant coal dust prepared activated coke flue gas comprehensive purification system and technology | |
| CN211367496U (en) | Blast furnace gas desulfurization and regeneration gas treatment system | |
| CN105214478A (en) | The integral process of a kind of coke oven flue exhuast gas desulfurization denitration and waste heat recovery | |
| CN108554150A (en) | A kind of pre-heated catalytic combustion system of purifying volatile organic exhaust gas | |
| CN104624018B (en) | In carbon black tail gas gas separate and comprehensive utilization method and the device of implementation method | |
| CN206240299U (en) | A kind of coke oven flue waste gas purification waste heat recovery apparatus | |
| CN211367497U (en) | Blast furnace gas desulfurization and regeneration gas treatment system | |
| CN202942787U (en) | Switchable flue gas purification system for pollutant removal process and adsorbent regeneration process | |
| CN211471329U (en) | Blast furnace gas desulfurization and desorption gas sintering treatment system | |
| CN106178877A (en) | A kind of coke oven flue waste gas purification waste heat recovery apparatus and technique | |
| CN206709040U (en) | It is matched in the HTHP denitration waste heat boiler of catalytic cracking unit | |
| CN203090746U (en) | Desulfurization and denitrification integrated device for smoke | |
| CN108654363A (en) | Couple waste heat of coke-oven flue gas and amounts of sulphur contaminants acid-making process | |
| CN108704464A (en) | Sintering flue gas desulfurization and denitrification and flue gas whitening comprehensive treatment system and process | |
| CN206027727U (en) | Absorbent regeneration and regeneration exhaust treatment device when coke oven gas alternating temperature adsorbs desulfurization | |
| CN206176412U (en) | Energy -saving organic waste gas waste heat utilization equipment | |
| CN112940799A (en) | Blast furnace gas desulfurization and purification system and method | |
| CN208082173U (en) | The processing system of activated coke method coke oven flue gas desulphurization denitration acid vapour is handled with system for preparing sulfuric acid | |
| CN202808740U (en) | Efficient CO2 collecting device based on IGCC (integrated gasification combined cycle) before combustion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |